Question

Michelle rents a movie for a flat fee of $1.50 plus an additional $1.25 for each night she keeps the movie. Choose the cost function that represents this scenario if x equals the number of nights Michelle has the movie.
A. c(x) = 1.50 + 1.25x
B. c(x) = 1.50x + 1.25
C. c(x) = 2.75
D. c(x) = (1.50 + 1.25)x

Answer 1

@HectorH

Answer 2

its A :)

Answer 3

Okay so let the total cost be 'y', and the no. of nights for which the movie is kept is 'x'
So, I pay 1.50 upfront, plus a 1.25 for every night I keep, so for 'x' night I pay 1.25x bucks.

So,

total cost = y = 1.50 + 1.25x

Answer 4

thnx hector :)

Answer 5

yep ur right :)